BMI Calculator

Body Mass Index (BMI) & Ponderal Index Calculator

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Other Units

Age

Gender Male Female Other

Weight (kg)

Height (cm)

Age

Gender Male Female Other

Weight lbs kg

Height ft in cm

Severe
Thinness Moderate
Thinness Mild
Thinness Normal Overweight Obese I Obese II Obese III

BMI Table for Adults (WHO)

Classification	BMI range (kg/m²)
Severe Thinness	< 16
Moderate Thinness	16 - 17
Mild Thinness	17 - 18.5
Normal	18.5 - 25
Overweight	25 - 30
Obese Class I	30 - 35
Obese Class II	35 - 40
Obese Class III	> 40

BMI Table for Children and Teens (2-20 years, CDC)

Category	Percentile Range
Underweight	< 5%
Healthy weight	5% - 85%
At risk of overweight	85% - 95%
Overweight	> 95%